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Strunz Classification System

VIII  -  Silicates

Mineral Formula Classification
A  -  Nesosilicates with [SiO4]4--groups
Series 1  -  Cations of tetrahedric orientation [4]
Willemite Zn2SiO4  VIII / A.1-20
Series 8  -  Cations of octahedral and cubic orientation [8+6]
Almandine Fe3Al2(SiO4)3  VIII / A.8-20
Spessartine Mn32+Al2(SiO4)3  VIII / A.8-30
Grossular Ca3Al2(SiO4)3  VIII / A.8-70
Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5)  VIII / A.8-80
Andradite Ca3Fe23+(SiO4)3  VIII / A.8-110
Series 9  -  Cations of octahedral and cubic orientation [8+6]
Zircon ZrSiO4  VIII / A.9-10
Thorite (Th,U)SiO4  VIII / A.9-30
Thorogummite Th(SiO4)1-x(OH)4x  VIII / A.9-50
B  -  Nesosub-silicates. Insel- silicates with anions unfamiliar to tetraheders
Series 12  -  Cations with coordination number between [8] and [12]
Titanite CaTiSiO5  VIII / B.12-10
Series 16  -  Cations with coordination number between [8] and [12]
Tundrite-(Ce) Na3(Ce,La)4(Ti,Nb)2(SiO4)2(CO3)3O4
    (OH) · 2H2
VIII / B.16-40
Series 19  -  Cations with coordination number between [8] and [12]
Cerite-(Ce) Ce93+Fe3+(SiO4)6[(SiO3)(OH)](OH)3  VIII / B.19-40
Series 22  -  Cations with coordination number between [8] and [12]
Thaumasite Ca3Si(CO3)(SO4)(OH)6 · 12H2 VIII / B.22-90
Series 27  -  Fluorellestadite - lessingite-(Ce) series
Britholite-(Ce) (Ce,Ca)5(SiO4,PO4)3(OH,F)  VIII / B.27-60
Fluorbritholite-(Ce) (Ce,La,Ca)5[(F,OH)|(SiO4,PO4)3 VIII / B.27-62
Series 29  -  Datolite - gadolinite group
Datolite CaBSiO4(OH)  VIII / B.29-10
Hingganite-(Y) Y2Be2Si2O8(OH)2  VIII / B.29-70
Hingganite-(Ce) Ce2Be2(SiO4)2(OH)2  VIII / B.29-80


Strunz Classification System
I - II - III - IV - V - VI - VII - VIII/A - VIII/B - VIII/C -
VIII/D - VIII/E - VIII/F - VIII/G - VIII/H - VIII/J - SW